Why does the Apple 4S keep showing "Searching" when it is turned on?

Possible causes and solutions:

1. Network problem----Restore network settings.

2. Poor contact between the card and the card slot---turn off the phone, pull out the card and then reinstall it.

3. Setting problem---Adjust the time on the phone, turn off the automatic setting, restart it and then change the time back to the automatic setting.

Tips for using iPhone 4S

When writing a text message, if you want to delete all the written content, just shake your iPhone a few times, a window will pop up, select " Type "Undo" to delete all content without having to hold down the delete key for half a day. If you want to restore the newly deleted content, shake the iPhone and select "Redo Typing", and the newly deleted content will be back; if it was just pasted, shake it to "Undo Paste". Two users with iCloud accounts, SMS uses data and does not charge SMS fees.

Have you ever encountered this situation: You want to enter the unit symbol "degree" (small circle), but you can't find it. Let me tell you: press and hold 0 on the numeric keyboard and this symbol will appear.

What should you do if a text message comes and many people around you see the content of your text message consciously or unconsciously? Here I will teach you: Go to settings--text message interface--turn off display preview, In this way, when the text message comes, it will only have the number or the name of the caller, and people around you will not see the content of your text message.

Some friends find that the power consumption is very fast because you are turning on unnecessary and power-consuming things: Settings--WIFI--turn off; Settings--Mail--Get new data--turn off; Settings--General--Location Services--Turn off; Settings--General--Bluetooth--Turn off; Settings--Brightness--Automatic brightness adjustment--Turn off.